/*
 * @Author: likang xie
 * @Date: 2020-09-10 16:51:21
 * @Purpose: 定位相关
 */

.u-header {
  position: fixed;
  top: var(--window-top);
  left: 0;
  width: 100%;
  z-index: 10;
}

.u-footer {
  position: fixed;
  bottom: var(--window-bottom);
  left: 0;
  width: 100%;
  z-index: 10;
}

.u-fixed-br {
  position: fixed;
  right: 30rpx;
  bottom: calc(var(--window-bottom) + 200rpx);
  z-index: 10;
}

.u-full {
  position: fixed;
  top: var(--window-top);
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
}

.u-full-ab {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
}

.u-absolute {
  position: absolute;
  z-index: 10;
}

.u-relative {
  position: relative;
  z-index: 5;
}

.u-fixed {
  position: fixed;
  width: 100%;
  z-index: 10;
}

.u-sticky {
  position: sticky;
  top: var(--window-top);
  left: 0;
  z-index: 10;
}
